Matitaputty, C., Nusantara, T., Hidayanto, E. and Sukoriyanto (2022) “Examining the pedagogical content knowledge of in-service mathematics teachers on the permutations and combinations in the context of student mistakes”, Journal on Mathematics Education, 13(3), pp. 393–414. doi: 10.22342/jme.v13i3.pp393-414.